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MTS98R2 Circuit Board 600-6263 - Bubbles Supply

MTS98R2 Circuit Board 600-6263

Part #: 600-6263

$1584.64
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1-year warrantySame-day ship before 3pm CTPerfect Fit Guarantee30-day returns

About this circuit board

The MTS98R2 Circuit Board (part number 600-6263) is a genuine OEM replacement control board designed for Marquis spa systems. This Balboa-manufactured circuit board features an 8-pin phone cable connection and serves as the central command unit for your spa's electronic functions, managing pumps, heaters, lights, and user interface operations.

Built to original equipment specifications, this control board delivers the exact fit and performance your Marquis spa requires. We guarantee perfect compatibility and back every circuit board with our comprehensive 1-year warranty. Orders ship same-day from our Canadian facility, getting your spa back to optimal operation quickly. Ensure power is completely disconnected before installation and verify all connections match your existing setup for safe, reliable operation.

Exact part number

600-6263

Save this for ordering or warranty claims

Also known as / Replaces

This part replaces or is interchangeable with:

  • 600-6263 control board
  • Marquis MTS98R2 PCB
  • MTS98R2 board

Looking for an older part number? Check our supersession lookup tool

Common symptoms this part fixes

If your spa is showing any of these signs, this part is likely your fix:

  • Spa is completely unresponsive at the topside panel
  • Pumps, heater, or lights not responding to control commands
  • Error codes that persist after resetting and cannot be cleared
  • Topside panel shows garbled display or no display at all
  • Spa functions cycling on or off erratically without user input
  • Heater runs continuously or refuses to activate despite correct settings

Not sure if this is your problem? Try our diagnostic centre or .

Before you buy — quick checklist

  • Confirm your existing board's part number is 600-6263 — check the label printed directly on the board
  • Verify your spa uses an 8-pin phone cable connection between the board and topside panel
  • Confirm this is a Marquis spa system — this is an OEM board and fitment is brand-specific
  • Rule out a failed topside panel or loose wiring harness before replacing the control board
  • Take a photo of all wire connections before disconnecting anything from the old board
  • Disconnect all power at the breaker and confirm zero voltage with a multimeter before handling the board

Reading the checklist now prevents 90% of returns. Worth the 60 seconds.

Install difficulty: Hard — Technician recommendedTypically 60-120 minutes

Warranty

1 year manufacturer warranty against defects

Covers manufacturing defects. Does not cover improper installation, normal wear, or accidental damage.

Warranty claims: warranty@bubblessupply.com

Perfect Fit Guarantee

Ordered with our help and the part doesn't fit? Contact us before installation. We'll resolve it with an exchange, replacement recommendation, or return approval.

Learn about our Perfect Fit Guarantee →

Shipping

We ship across the US and Canada. US orders ship from our US warehouse to US customers; Canadian orders ship from our Canadian warehouse to Canadian customers — no cross-border shipping, no surprise duties. In-stock orders placed before 3pm CT ship same day. Standard shipping $9.95 flat rate. Free shipping on orders over $200. Express options available at checkout.

Returns

30-day hassle-free returns on unused parts in original packaging. Contact us before returning to receive your RMA number.

Frequently asked questions

Check the Compatibility section above to confirm fitment for your spa brand and model. If your model is not listed, use our fitment selector at /pages/find-my-part or ask our parts AI for a personalized recommendation.

In-stock orders placed before 3pm CT ship the same day. You will receive tracking information by email as soon as your order ships.

We accept returns within 30 days of delivery for unused items in original packaging. Email returns@bubblessupply.com with your order number to start a return. Installed electrical parts cannot be returned for safety reasons.

Yes, all new parts come with a 1-year warranty against manufacturing defects. Warranty does not cover damage from improper installation or normal wear and tear.

Customer reviews

AI Fitment Assistant

Tell us your spa model and we will confirm this part fits before you buy.

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